Finding the Fourth Proportional to 292,414,319.70, 438,621,479.55 and 246,497,817.30
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Solution
The fourth proportional to 292,414,319.70, 438,621,479.55 and 246,497,817.30 is: 369,746,725.95
Step by Step Solution
- Step 1: Write the proportion equation
292,414,319.70 : 438,621,479.55 = 246,497,817.30 : x - Step 2: Convert to fraction form
292,414,319.70/438,621,479.55 = 246,497,817.30/x - Step 3: Cross multiply
292,414,319.70x = 438,621,479.55 × 246,497,817.30 - Step 4: Simplify right side
292,414,319.70x = 108,119,237,329,971,600 - Step 5: Solve for x
x = 108,119,237,329,971,600/292,414,319.70 - Step 6: Final answer
x = 369,746,725.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.